TY  - JOUR
AU  - Eckford Cohen
TI  - The Average Order of Certain Types of Arithmetical Functions: Generalized k-free Numbers and Totient Points.
JO  - Monatshefte für Mathematik
PY  - 1960
SP  - 251
EP  - 262
VL  - 64
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MOMA_1960__64_177100/
ID  - MOMA_1960__64_177100
ER  -